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Photoelectron Binding Energies

XPS is one of the most important techniques for studying molecules and nanoparticles at surfaces. The table below contains the photoelectron binding energies for all elements that fall within the energy range of typical soft x-ray anodes. The values are for the elements in their natural state.

1s         
1H14
2He25
3Li55
4Be112
5B188
6C284
7N4102s
8O54323
9F686302p12p3
10Ne863411414
11Na1072643131
12Mg1303905151
13Al15591197474
14Si18391531031023s
15P214419113413314
16S247822916616517
17Cl281527020119917
18Ar319243241223p13p3
19K378296293331717
20Ca439350347442525
21Sc501407402533131
22Ti565464458623737
23V630523515694040
24Cr698586577774645
25Mn770652641834948
26Fe847723710935655
27Co9277967811036361
28Ni10098738551126967
29Cu109895493412479773d33d5
30Zn11961045102214092891010
31Ga114411171601081052020
32Ge1841281243231
33As2071481434544
34Se2321691635857
35Br2561891827069
36Kr2872162088988
3s3p13p33d33d54s4p14p3
37Rb322247238111110291414
38Sf358280269135133372020
39Y395313301160158452525
40Zr431345331183181512929
41Nb470379364209206593535
42Mo508413396233230653838
43Tc544445425257253683939
44Ru587485463286282774545
45Rh629522498314309834949
46Pd673561534342337885454
47Ag7186045733743689758584d34d5
48Cd77265261841240510968681111
49In82870466645344512379791919
50Sn88475771549448613791912625
51Sb9468147685395301551051053534
52Te10098738225855751711141144443
53I10719308746306191861231235250
54Xe11449979366856722091411416563
55Cs10649977387242301701587775
56Ba113710627957802541921799290
57La1126851834274210195104101
58Ce1184900882290222207112108
3d33d54s4p14p24d34d54f54f75s
59Pr95093030523721811411438
60Nd100198031824822712012038
61Pm1060103433726424212912938
62Sm1110108334928325013213241
63Eu1166113636628926113613634
64Gd118638030127014114136
65Tb398317284150150422828
66Dy412329293154154632626
67Ho431345306161161512020
68Er451362320169169612525
69Tm470378333180180543226
70Yb483392342194185553326
71Lu507412359207197583427
72Hf5374373822242131917643730
73Ta5664644032412292725714537
74W5944914252572453634774737
75Re6285214492772634543814433
76Os6575494752942795552866048
77Ir6925794973132976562986553
78Pt72661052133331676731056954
79Au76364354735433689851107557
80Hg8036815773793591041001278465
81Tl84572160840638512211813710076
82Pb89376264543541314313814810784
83Bi94280768146744316415916112094
84Po184
85At210
86Rn238
87Fr268
88Ra299
89Ac319
90Th333
91Pa1168968714677344335290226179
92U1046781739391380325262197
93Np1086816771414402206
94Pu1121850802439427216
95Am883832463449216
96Cm919865487473232
97Bk958901514498246
98Cf994933541523234